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Finding the Fourth Proportional to 104,046.30, 143,584.40 and 58,726.20

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Solution

The fourth proportional to 104,046.30, 143,584.40 and 58,726.20 is: 81,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,046.30 : 143,584.40 = 58,726.20 : x
  2. Step 2: Convert to fraction form
    104,046.30/143,584.40 = 58,726.20/x
  3. Step 3: Cross multiply
    104,046.30x = 143,584.40 × 58,726.20
  4. Step 4: Simplify right side
    104,046.30x = 8,432,165,897.65
  5. Step 5: Solve for x
    x = 8,432,165,897.65/104,046.30
  6. Step 6: Final answer
    x = 81,042.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.